Home / 31,244.70-46,871.49-11,521.73

Finding the Fourth Proportional to 31,244.70, 46,871.49 and 11,521.73

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Solution

The fourth proportional to 31,244.70, 46,871.49 and 11,521.73 is: 17,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,244.70 : 46,871.49 = 11,521.73 : x
  2. Step 2: Convert to fraction form
    31,244.70/46,871.49 = 11,521.73/x
  3. Step 3: Cross multiply
    31,244.70x = 46,871.49 × 11,521.73
  4. Step 4: Simplify right side
    31,244.70x = 540,040,418.12
  5. Step 5: Solve for x
    x = 540,040,418.12/31,244.70
  6. Step 6: Final answer
    x = 17,284.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.